#include<bits/stdc++.h>
using namespace std;
const int MOD = 998244353;
const int N = 1e5+10;

struct tre{
    int tre[N];
    inline int lowbit(int x){
        return x & (-x);
    }
    void update(int p,int v){
        for(int i = p;i <= n;i += lowbit(i))
        {
            tre[i] = (tre[i] + v)%MOD;
        }
    }
};
int main(){
    
}